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JOHN MULLER, OF KANSAS CITY, MISSOURI.

comemeo SQUARE,

METER, AND seven SPECIFICATION forming partof Letters Patent No. 319,012, dated June 2, 1885.

Application filed January 27, 1885. (No model.)

1 0 ail whom it may concern.-

Be it known that I, J OHN MULLER, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented a new and useful Improvement in Combined Square, Miter, and Bevel, of which the following is a specification, reference being had to the accompanying drawings.

My invention relates to a combined folding square, miter, and bevel, and it has for its object to provide a device of this character which shall be cheap and simple in its construction, effective in its operation, and one that will be strong and durable.

XVith these ends in view the invention consists in the improved construction and com binations of parts hereinafter fully described, and pointed out in the claims.

In the drawings, Figure 1 is a plan view of a combined folding square, miter, and bevel. Fig. 2 is a plan view showing the device folded. Fig. 3 is a section on the line was of Fig. 2, and Fig. l is a detail view of the blade removed. Figs. 5 and 6 are detail views of plates B B and set-screw G, respectively, the view of plate 13 being taken from the under side thereof.

In the accompanying drawings, in which like letters of reference indicate corresponding parts in all the figures, A represents the blade, which is, as usual, provided with a series of graduated marks, a. The inner end of the blade A is provided with a head, A, having hole or opening, 0, at equal distances from which are arranged a series of downwardly-extending pins, d.

B B represent the end pieces of the square. The under end piece, B, is provided with a threaded opening, e, near one end, and surrounding said threaded opening is a series of perforations or, openings, f, arranged in a circle, as shown. The upper piece, B, is pro vided with an opening, 0, near its end, and in a line with the threaded opening of the lower plate, B. The said opening 0 is surrounded by a countersink or depression, E. The under plate, 33, is provided with a plate, F, which may be formed integral therewith or secured thereto. The plate B is provided with downwardly-extending pins a which are adapted to engage recesses a", formed in the plate F, and securing plates B B together. It will be seen that by providing this plate a space is left betweenthe two plates B B to allow the ready turning of the blade Athero- 1n.

G represents a set-screw for clamping the blade between the plates B B. The said setscrew is formed with a finger-piece, g, which is adapted to fit in the countersink or depression in the top plate, B, and with a flange, h, which flange I1. fits the opening in the top plate, the threaded portion of the set-screw passing through the opening in the blade and engaging the threaded opening of the lower plate, the downwardly-extending pins on said blade engaging any four of the series of open ings in the said blade.

It will be seen that by loosening thesetscrew sufficiently to allow the pins to be removed from the lower plate the blade may be turned to any desired angle, and by engaging the pins with the openings and tightening the set-screw the said blade will be held securely in place.

The blade may be folded between the plates, as shown, and when in such position its inward movement will be limited by the supplemental plate by which the space is formed between the plates B B.

The above-described device is simple in its construction, effective in its operation, may

be manufactured and supplied at a slight cost, and by its use adjustments of the blade to different angles may be almost instantly obtained, and the blade, when so adjusted, will be held firmly in position.

Having fully described my invention, what T claim as new, and desire to secure by Letters Patent, is-

1. In a combined square, miter, and bevel, the combination, with plates, of a blade pivoted between the same, downwardlyextend ing pins on said blade, openings in the lower plate to receive the same, and a supplemental plate between the plates 1?- B, as set forth.

2. In a combined square, miter, and bevel, the combination, with the plates B B, the plate 13 having a series of openings and a screw-threaded opening, as shown, the plate my own I have hereto affixed my signature in B haxl gingtan olplelgling SLlllOHJdGd by a counpresence of two witnesses. tersin 0 a a e having ownwarclly-extending pins, a setscrew having a finger-piece JOHN 5 and a collar, and a supplemental plate fitted Witnesses:

between the plates B B, as set forth. ALBERT BATOHELDER,

In testimony that I claim the foregoing as SYRENUS COLVIN. 

